Home / 238,451,933.52-329,015,427.93-139,313,534.13

Finding the Fourth Proportional to 238,451,933.52, 329,015,427.93 and 139,313,534.13

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Solution

The fourth proportional to 238,451,933.52, 329,015,427.93 and 139,313,534.13 is: 192,224,493.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,451,933.52 : 329,015,427.93 = 139,313,534.13 : x
  2. Step 2: Convert to fraction form
    238,451,933.52/329,015,427.93 = 139,313,534.13/x
  3. Step 3: Cross multiply
    238,451,933.52x = 329,015,427.93 × 139,313,534.13
  4. Step 4: Simplify right side
    238,451,933.52x = 45,836,302,048,222,608
  5. Step 5: Solve for x
    x = 45,836,302,048,222,608/238,451,933.52
  6. Step 6: Final answer
    x = 192,224,493.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.